Ordinary. Kunshan Tianci Foot Bath is formal and has a nationally certified business license. Kunshan is a county-level city under the jurisdiction of Jiangsu Province, which is under the management of Suzhou City. It has a history of more than 2,200 years since Qin established the county. Kunshan is the birthplace of Kunqu Opera, the "ancestor of hundreds of operas". It is located in the southeast of Jiangsu Province, between east longitude120 48 ′ 21″, north latitude12109 ′ 04 ″ and north latitude 3106 ′ 34 ″.